The D21805 from Clear Microwave, Inc is a Power Divider with Frequency 1.8 to 5 GHz, Insertion Loss 0.35 to 0.5 dB, Isolation 22 to 24 dB, Input Power 50 W, Amplitude Balance 0.05 dB. Tags: Module with Connectors, Through Hole, Multi-Octave Power Divider. More details for D21805 can be seen below.